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Damp & mould guides and regulations
Every DampApp Pro guide in one place: the damp and mould rules for UK rented homes, how to investigate moisture, reference data, and guidance for other countries.
Awaab's Law and UK rental rules
Damp and mould rules for rented homes in England, Scotland and Wales, each with the official sources it relies on.
- Awaab's Law guide (England)Timescales, investigation records and sources for English social housing.
- Awaab's Law Phase 2The further hazards due from 30 November 2026 if Parliament approves the draft.
- Awaab's Law record & triage guideAn indicative damp and mould triage and record-keeping guide.
- Awaab's Law in ScotlandRules for social and private landlords from 6 October 2026.
- Awaab's Law Scotland investigationsIn-person investigations, the competent person and the written summary.
- Damp & hazard rules in WalesWelsh social landlords' hazard timescales from 1 April 2026.
- Renters' Rights & Decent HomesThe May 2026 Renters' Rights reforms and the pending private-rental extension.
- Damp compliance for landlords & agentsTimestamped evidence and structured reports for damp and mould duties.
- The return on damp survey softwareReport-writing time, repeat visits and record quality weighed against the subscription.
Investigation standards and reference
How to investigate moisture, plus reference material for the report.
- JPS moisture investigationApplying the Joint Position Statement's evidence-led principles.
- Historic England damp guide (HEAG311)HEAG311 explained, with a free printable checklist for older buildings.
- Damp & mould report wording templatesIllustrative observation templates for damp, mould, ventilation and timber.
- Damp & mould statisticsUK and worldwide figures from the English Housing Survey, HHSRS and NHS costs.
- Damp & condensation glossaryRising and penetrating damp, dew point, the Glaser method, U-values and more.
Outside the UK
Local rules and inspection guidance for damp and mould in other countries.
- Damp survey software by countryPick your market for local guidance.
- Mold inspections in the USDew point, timestamped photos and offline reports for US home inspectors.
- HUD NSPIRE mold standardMold-like substance levels, repair deadlines and the HCV compliance date.
- Mold inspections in CanadaOn-device dew point analysis and offline reports for Canadian inspectors.
- Damp surveys in IrelandDamp and mould surveys for Irish surveyors.
- Healthy Homes inspections in New ZealandVentilation and moisture evidence against the Healthy Homes Standards.
- Mould inspections in AustraliaPsychrometric analysis and offline reports for Australian building inspectors.
- NCC 2025 condensation managementAustralia's Part 10.8 changes by climate zone and state adoption dates.
- Damp surveys in the UAECooling-side condensation and coastal exposure.
- Damp surveys in SingaporeWet areas, air conditioning and monsoon exposure.
- Damp surveys in IndiaMonsoon water-shedding, plinth moisture and ventilation.
- Damp surveys in South AfricaRising damp, mould and condensation surveys.
Free tools and calculators
Calculators that run in your browser, with no login.
- All free tools & calculatorsDew point, U-value and condensation, hygrothermal, ventilation and IAQ tools.
- Awaab's Law timeline calculator (England)Plan the investigation, summary and safety-work clocks.
- Awaab's Law timeline calculator (Scotland)Scottish working days, skipping Scottish bank holidays.
- Dew point calculatorVapour pressure and condensation risk under BS 5250.
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